Home / 54,421.47-75,100.37-30,547.53

Finding the Fourth Proportional to 54,421.47, 75,100.37 and 30,547.53

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Solution

The fourth proportional to 54,421.47, 75,100.37 and 30,547.53 is: 42,154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,421.47 : 75,100.37 = 30,547.53 : x
  2. Step 2: Convert to fraction form
    54,421.47/75,100.37 = 30,547.53/x
  3. Step 3: Cross multiply
    54,421.47x = 75,100.37 × 30,547.53
  4. Step 4: Simplify right side
    54,421.47x = 2,294,130,652.85
  5. Step 5: Solve for x
    x = 2,294,130,652.85/54,421.47
  6. Step 6: Final answer
    x = 42,154.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.